Star Wars: Birth of the Republic
As the most common species in the core worlds humans are known to be in all walks of life and can have massively different cultural upbringings. They are also the most commonly excepted race in the galaxy.
Bonus Trained Skill: A human character chooses one additional trained skill at 1st level.
Bonus Feat: Humans gain one bonus feat at 1st level.
Highly Skilled: Humans gain the feat Skill Focus in any one class skill they are trained in.